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Changes for page 3.5 Battery control

Last modified by Admin on 2025/03/10 12:50
From version 2.2
edited by Admin
on 2024/11/21 17:04
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To version 3.1
edited by Admin
on 2024/11/21 17:06
Change comment: Uploaded new attachment "1732208781932-849.png", version {1}

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62 62  
63 63  (% class="box infomessage" %)
64 64  (((
65 -Note – The allow charging relay closes under two independent conditions: 1) the voltage on the cells reaches the Voltage to reset the “Ready to charge" level and 2) The "Delay before recharging" time has passed since the opening of the allow charging relay.
65 +**Note:** The allow charging relay closes under two independent conditions:
66 +1) the voltage on the cells reaches the Voltage to reset the “Ready to charge" level and
67 +2) the "Delay before recharging" time has passed since the opening of the allow charging relay.
66 66  )))
69 +
70 +== 3.5.2 Discharge control ==
71 +
72 +The board has a discharging relay to connect battery to the load.
73 +
74 +The board supports two algorithms to control battery discharging:
75 +
76 +* load is always connected;
77 +* load is connected when there is no signal “Charger connected”.
78 +
79 +When the algorithm "load is always connected" is selected, the discharging relay is always closed. If at least one of the errors appears:
80 +
81 +* Undervoltage;
82 +* Overvoltage (optional);
83 +* Overcurrent;
84 +* High temperature;
85 +* Low temperature (optional);
86 +* HYG offline (optional);
87 +* Combilift offline (optional);
88 +* Spirit offline (optional);
89 +* Spirit charger error (optional);
90 +* Short circuit (optional);
91 +* Contactor high temperature (optional);
92 +* DCH contactor cycles error;
93 +* Critical error
94 +
95 +the discharging relay opens.
96 +
97 +If you select the algorithm "load is connected when there is no signal “Charger connected”" control relay is as follows:
98 +
99 +* if there is no signal “Charger connected”, the charging relay is opened and there are no errors (see the list above), then through the delay time T,,on,, the discharging relay closes;
100 +* If the signal “Charger connected” appears or errors occur (see the list above), then after the delay time T,,off,, the discharging relay opens.
101 +
102 +Note – In case of errors in the system operation, the opening of the discharging relay is performed either immediately or with a delay T,,off,, (depends on the settings described below).
103 +
104 +The board supports controlling the precharging relay. The duration of switching on the precharging relay before closing the discharging (load) relay is adjusted.
105 +
106 +When the power down request occurs, the discharging relay opens after delay T,,off,,. Reclosing the discharging relay is performed if the power down request is removed.
107 +
108 +To change the parameters of the battery discharge control algorithm, select the menu "Cells → Discharging control":
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